solve for x 3x^2-5x-1=0
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Algebra Examples
Popular Problems Algebra Solve Using the Quadratic Formula 3x^2+5x-1=0
3
x
2
+
5
x
−
1
=
0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
3
,
b
=
5
, and
c
=
−
1
into the quadratic formula and solve for
x
.
−
5
±
√
5
2
−
4
⋅
(
3
⋅
−
1
)
2
⋅
3
Simplify.
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x
=
−
5
±
√
37
6
The result can be shown in multiple forms.
Exact Form:
x
=
−
5
±
√
37
6
Decimal Form:
x
=
0.18046042
…
,
−
1.84712708
…
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